Experimental study and application analysis of R1233zd(E) high temperature heat pump

doi:10.11949/0438-1157.20241143

Abstract

Abstract:

As a new type of HCFOs heat pump working medium, R1233zd(E) has a higher critical temperature (166.5℃) and a lower critical pressure (3.62 MPa), which is very suitable for high temperature and high temperature heat pump application. Therefore, this paper designed the R1233zd(E) high temperature heat pump system and built a heat pump prototype for experimental research. The experimental results show that the R1233zd(E) high temperature heat pump prototype can stably realize the high temperature heating of 120—145℃ within the evaporation temperature range of 40—65℃. When the condensation temperature is unchanged, the power consumption, heating capacity and COP of the R1233zd(E) high temperature heat pump prototype increase with the increase of evaporation temperature. Under the conditions of evaporation temperature of 65℃ and condensation temperature of 145℃, the power consumption of the R1233zd(E) high temperature heat pump prototype is 43.2 kW, the heating capacity is 96.8 kW, and the COP is 2.24. At the same time, the high temperature heat pump of the residual heat source is applied in the heat treatment production line to supply 120℃ high temperature hot water, replacing the original high temperature steam for heating. The heating capacity of the unit is 104 kW, the power consumption is 31 kW, and the COP can reach 3.4, which indicates that the energy efficiency of the system is very excellent. Compared with the original gas boiler, the operating cost can be saved about 127500 CNY/a, and the investment payback period is not more than 2 years.

Key words: R1233zd(E), high temperature heat pump, experimental validation, thermodynamics, industrial application

摘要：

R1233zd(E)作为一种新型HCFOs类热泵工质，有着较高的临界温度（166.5℃）和较低的临界压力（3.62 MPa），十分适合于高温和高温热泵工况下应用。因此设计了R1233zd(E)高温热泵系统并搭建了热泵样机进行实验研究，结果表明在40~65℃的蒸发温度范围内，R1233zd(E)高温热泵样机可以稳定地实现120~145℃的超高温供热。在冷凝温度不变的情况下，R1233zd(E)高温热泵样机随着蒸发温度的升高，其功耗、制热量和COP都会升高。并且在蒸发温度为65℃，冷凝温度为145℃的工况下，R1233zd(E)高温热泵样机的功耗为43.2 kW，制热量为96.8 kW，COP为2.24。将该余热源高温热泵应用在热处理生产线中，供应120℃的高温热水，取代了原来的高温蒸汽进行加热，机组的制热量为104 kW，功耗为31 kW，COP可以达到3.4，系统能效十分优异。

关键词: R1233zd(E), 高温热泵, 实验验证, 热力学, 工业应用

CLC Number:

TB 61

Di WU, Bin HU, Jiatong JIANG. Experimental study and application analysis of R1233zd(E) high temperature heat pump[J]. CIESC Journal, 2025, 76(S1): 377-383.

吴迪, 胡斌, 姜佳彤. R1233zd（E）高温热泵实验研究与应用分析[J]. 化工学报, 2025, 76(S1): 377-383.

Figures/Tables 13

Fig.1 Schematic diagram of R1233zd(E) high temperature heat pump system

Fig.2 p-h diagram of R1233zd(E) high temperature heat pump system

Fig.3 Prototype system of R1233zd(E) high temperature heat pump

Table 1 Equipment parameter of R1233zd（E） high temperature heat pump prototype

名称	规格型号	厂家
压缩机	NT-WFH250KB	诺通
板换冷凝器	B3-112	同泽
经济器	B3-058	同泽
干式蒸发器	BC/GK-25HP	冰川
气分	TDQ-209	泰达
油分离器	TDW-55889	泰达
储液器	TDR-877BSAD	泰达

Fig.4 Prototype photo of R1233zd(E) high temperature heat pump

Table 2 Test instrument detailed parameter of R1233zd（E） high temperature heat pump prototype

测量值	测量仪表	类型	量程	精度
压力	温度传感器	PT-304	0~1.6 MPa	±0.2%FS
温度	压力传感器	PT100	-20~200℃	±0.2℃
流量	涡街流量计	FM210	15~65 m³/h	±1.0%R
功率	功率计	WT210	15~600 V	±0.10%R
功率	功率计	WT210	5~200 mA	±0.10%R

Fig.5 Change of power consumption with evaporation temperature

Fig.6 Change of heating capacity with evaporation temperature

Fig.7 Change of COP with evaporation temperature

Fig.8 Schematic diagram of heating system of R1233zd(E) high temperature heat pump unit

Fig.9 Physical diagram of heating system of R1233zd(E) high temperature heat pump unit

Fig.10 Stable operating temperature variation of heating system of R1233zd(E) high temperature heat pump unit

Fig.11 Changes of heating capacity, power consumption, and COP in stable operation of the heating system of R1233zd(E) high temperature heat pump unit

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